发明名称 Press die set for forming flange and flange forming method
摘要 The present invention relates to a press die set for forming a flange that bends an edge of a part, such as a door panel and a hood panel, at a right angle in a press-forming direction and bends an edge adjacent to the edge at a negative angle, and a flange forming method. The press die set for forming a flange according to the present invention can accomplish the flange formation described above in one step, has a simple structure, and is easy to maintain.
申请公布号 US8033155(B2) 申请公布日期 2011.10.11
申请号 US20080182292 申请日期 2008.07.30
申请人 HIROTEC CORPORATION 发明人 SASAKI KOICHI;SHIOZAKI NOBUYUKI
分类号 B21D11/20;B21D11/00 主分类号 B21D11/20
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